Finding the Fourth Proportional to 70,706,613.58, 97,563,884.24 and 39,760,806.58
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Solution
The fourth proportional to 70,706,613.58, 97,563,884.24 and 39,760,806.58 is: 54,863,591.02
Step by Step Solution
- Step 1: Write the proportion equation
70,706,613.58 : 97,563,884.24 = 39,760,806.58 : x - Step 2: Convert to fraction form
70,706,613.58/97,563,884.24 = 39,760,806.58/x - Step 3: Cross multiply
70,706,613.58x = 97,563,884.24 × 39,760,806.58 - Step 4: Simplify right side
70,706,613.58x = 3,879,218,729,773,527 - Step 5: Solve for x
x = 3,879,218,729,773,527/70,706,613.58 - Step 6: Final answer
x = 54,863,591.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.